How Does DSR Do Routing Across Route Groups (RG)?

Asset ID:	1-71-2271808.1
Update Date:	2017-05-31
Keywords:

Solution Type Technical Instruction Sure

Solution 2271808.1 : How Does DSR Do Routing Across Route Groups (RG)?

Applies to:

Oracle Communications Diameter Signaling Router (DSR) - Version DSR 3.0 and later
Tekelec

Goal

Explain how DSR do routing across route groups?

Solution

"Route Across Route Groups" is enabled

If "Route Across Route Groups" is enabled - what requests will be retransmitted to another RG in RL?

Route Across Route Groups (RG) Defines whether all Route Groups in the Route List can be used for routing Request messages or just the “Active” Route Group.

If this attribute is selected for the Route List, Route Across Route Groups can provide an alternate path if the initial route group is congested.

RG in RL with Highest current priority will be Active RG

If the message cannot be routed via Active RG; then next highest capacity RG within the RL will be tried.

Example:

Suppose there are two RG within RL. If option is selected; then Active RG will be used unless a message cant be sent via Active RG.
Then RL will try the standby RG.

Higher priority Route Groups is alive

Do we have any options to retransmit a request on certain conditions to a RG with lower priority, while higher priority RG is alive?

When you have selected the "Route Across Route Groups"; then you cannot specify some traffic to be sent to a lower priority RG (i.e. standby RG)

References

cgbu_eg_524-DRL CORE ROUTING REQUIREMENTS

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